87333740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1307}}^1$

素因数の和:1586

約数の個数: 48

約数和(自身を含む): 198428832

約数和(自身を除く): 111095092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 514, 1028, 1285, 1307, 2570, 2614, 3341, 5140, 5228, 6535, 6682, 13070, 13364, 16705, 16991, 26140, 33410, 33982, 66820, 67964, 84955, 169910, 335899, 339820, 671798, 1343596, 1679495, 3358990, 4366687, 6717980, 8733374, 17466748, 21833435, 43666870, 87333740]

約数ペア:

[(1, 87333740), (2, 43666870), (4, 21833435), (5, 17466748), (10, 8733374), (13, 6717980), (20, 4366687), (26, 3358990), (52, 1679495), (65, 1343596), (130, 671798), (257, 339820), (260, 335899), (514, 169910), (1028, 84955), (1285, 67964), (1307, 66820), (2570, 33982), (2614, 33410), (3341, 26140), (5140, 16991), (5228, 16705), (6535, 13364), (6682, 13070)]